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%I #7 May 23 2014 11:26:53
%S 19,43,71,79,83,131,163,191,199,211,223,227,263,311,331,347,379,431,
%T 463,467,491,499,563,659,727,811,839,863,883,971
%N Oscillating primes.
%C These are the primes p for the p-adic valuation of A220449 has a well-defined oscillation.
%C See Moll (2012) for precise definition.
%H V. H. Moll, <a href="http://www.tulane.edu/~vhm/papers_html/xn-final.pdf">An arithmetic conjecture on a sequence of arctangent sums</a>, 2012.
%Y Cf. A220449.
%K nonn
%O 1,1
%A _N. J. A. Sloane_, Dec 22 2012
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